feat(gnovm): test execution refactor + speedup #6354

Job	Run time
setup	4s
Run Main (gnodev) / Go Build / generated	7s
Run Main (gnodev) / Go Linter / lint	33s
Run Main (gnodev) / Go Test / test	56s
Run Main (gnofaucet) / Go Build / generated	11s
Run Main (gnofaucet) / Go Linter / lint	16s
Run Main (gnofaucet) / Go Test / test	18s
Run Main (gnogenesis) / Go Build / generated	7s
Run Main (gnogenesis) / Go Linter / lint	31s
Run Main (gnogenesis) / Go Test / test	18s
Run Main (gnokeykc) / Go Linter / lint	21s
Run Main (gnokeykc) / Go Build / generated	6s
Run Main (gnokeykc) / Go Test / test	15s
Run Main (gnomd) / Go Build / generated	6s
Run Main (gnomd) / Go Linter / lint	25s
Run Main (gnomd) / Go Test / test	19s
Run Main (gnomigrate) / Go Build / generated	6s
Run Main (gnomigrate) / Go Linter / lint	19s
Run Main (gnomigrate) / Go Test / test	16s
	5m 34s

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